# -*- coding: utf-8 -*
#============================#
# creact by clare 20171215
# used python 2.7
#============================#

# note ","
#from baike_spider import url_manager, html_downloader, html_parser, \
#    html_outputer

import url_manager, html_downloader, html_parser, html_outputer

#import baike_spider, url_manager, html_downloader, html_parser, html_outputer


class SpiderMain(object):

    def __init__(self):
        self.urls = url_manager.UrlManager()
        self.downloader = html_downloader.HtmlDownloader()
        self.parser = html_parser.HtmlParser()
        self.outputer = html_outputer.HtmlOutputer()


    def craw(self, root_url):
        count = 1
        self.urls.add_new_url(root_url)
        while self.urls.has_new_url():

            """
            new_url = self.urls.get_new_url()  
            print 'craw %d : %s'%(count, new_url) 
            html_cont = self.downloader.download(new_url)
            new_urls, new_data = self.parser.parse(new_url, html_cont)
            # note urls , no url
            self.urls.add_new_urls(new_urls)
            self.outputer.collect_data(new_data)

            if count == 1000:
                break

        #    count = count + 1
        #except:
        #    print 'craw failed.'
        try:
            count = count + 1
        except craw_failed:
            print 'craw failed.'
        else:
            print 'craw succes.'  

            """

            # note try: except:
            try:
                new_url = self.urls.get_new_url()  
                print 'craw %d : %s'%(count, new_url) 
                html_cont = self.downloader.download(new_url)
                new_urls, new_data = self.parser.parse(new_url, html_cont)
                # note urls , no url
                self.urls.add_new_urls(new_urls)
                self.outputer.collect_data(new_data)

                if count == 1000:
                    break
            
                count = count + 1
            #except craw_failed:
            except:
                print 'craw failed.'
            # else:
                # print 'craw succes.'  

        self.outputer.output_html()     



if __name__=="__main__":
    root_url = "https://baike.baidu.com/item/Python/407313" 
    obj_spider = SpiderMain()
    obj_spider.craw(root_url)
    print "spide done."

